/* Copyright (C) 2008  Romolo Camplani, Marco Fortunato, Marco Marelli, Guido Rota, Fabio A. Schreiber et al.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.dei.perla.sys.device.channel.concrete.console;

import org.dei.perla.sys.device.channel.Channel;
import org.dei.perla.sys.device.channel.frame.address.FrameAddress;
import org.dei.perla.sys.device.channel.frame.receiver.FrameReceiverHeaderFul;
import org.dei.perla.sys.device.channel.frame.sender.FrameSenderHeaderFul;


/**
 * Canale Console
 * Permette di inviare e ricevere frame sul canale Console. 
 * La gestione del canale è ad eventi.
 * Il canale console è headerful, per supportare l'indirizzamento tra due nodi connessi
 * attraverso una console
 */
public class ConsoleChannel extends Channel {	
	
	
	/**
	 * Inizializza un canale console
	 * 
	 * @param parName
	 * @param parFrameReceiver
	 * @param parFrameSender
	 * @param parLocalAddress
	 * @param parConfiguration
	 */
	public ConsoleChannel(String parName, FrameReceiverHeaderFul parFrameReceiver,
			FrameSenderHeaderFul parFrameSender, FrameAddress parLocalAddress) {
		
		super(parName, parFrameReceiver, parFrameSender, parLocalAddress);
		
	}
	
	/**
	 * Funzione di apertura del canale
	 */
	protected void openChannel() {
		this.setEventBasedInput(false);
		this.setInputStream(System.in);
		this.setOutputStream(System.out);
	}
	
	
	/**
	 * Funzione di chiusura del canale
	 */
	protected void closeChannel() {		
		
		try {						
			this.getInputStream().close(); 
		}
		catch(Exception parException) { }
		this.setInputStream(null);
		this.setOutputStream(null);
	}

}
